Air Control Valve Apparatus For An Internal Combustion Engine
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United States of America Patent
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N/A
Issued Date -
Nov 13, 2008
app pub date -
Oct 26, 2006
filing date -
Oct 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Air control valve apparatus (1) for internal combustion engines (2) having a turbocharger (3), wherein the air control valve apparatus (1) is arranged in a bypass channel (4) between the pressure side (5) and the suction side (6) of a boost pressure pump of the turbocharger, having a housing (7) which has an electromagnetic drive unit (8) having a coil (9), a yoke (10) and a core element (11), and a valve unit (12) which can be moved in the housing (7), wherein means (13) are provided which hold the movable valve unit (12) in the closed position in the currentless state, and wherein at least one pressure equalization opening (14) is provided on the movable valve unit (12), wherein the at least one pressure equalization opening (14) can be closed by at least one switching element (15).
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